Subject: Re: MPC8349 DMA

From: Scott Wood <[email-masked]>
Date: Wed, 19 Nov 2008 10:05:08 -0600

jay_chen wrote:
> Thanks for your help.
> Could you give some hints about how to  "map your memory as
> coherence-required"?

The M bit needs to be set in the BATs and PTEs.  Current kernels do 
this; I don't know about really old ones such as 2.6.14.

-Scott